13111098 has 128 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 3006720.

The previous prime is 13111093. The next prime is 13111117. The reversal of 13111098 is 89011131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13111093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222193 + ... + 222251.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

Almost surely, 2^13111098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18385920).

13111098 is an abundant number, since it is smaller than the sum of its proper divisors (23660742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111098 is a wasteful number, since it uses less digits than its factorization.

13111098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 13111098 is about 3620.9250199362. The cubic root of 13111098 is about 235.8013865697.

It can be divided in two parts, 13 and 111098, that added together give a palindrome (111111).

The spelling of 13111098 in words is "thirteen million, one hundred eleven thousand, ninety-eight".